| ECO D38 in 1984 play it! ionescu constant defeats black's rodriguez oreste in 93 moves | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 c6 11. e3 Nd7 12. Bd3 b6 13. O-O Bb7 14. Qc2 Rfd8 15. b4 g6 16. Rb1 a5 17. e4 axb4 18. axb4 Nf8 19. e5 Qe7 20. h4 Ne6 21. Qd2 Kg7 22. Bc2 Ra2 23. g3 c5 24. bxc5 bxc5 25. h5 g5 26. Qd3 Rxc2 27. Rxc2 c4 28. Qe3 Ra8 29. Nh2 Bc8 30. Rc3 Nc7 31. Qf3 Ra5 32. Rcc1 Ra3 33. Rc3 Ra5 34. Re3 Be6 35. Rb7 Ra1+ 36. Kg2 Qd7 37. g4 Qc8 38. Rb6 Kh7 39. Ra3 Rxa3 40. Qxa3 Bxg4 41. Qe7 Bh3+ 42. Kg3 Qd7 43. Qxd7 Bxd7 44. Rb7 Ne6 45. Rxd7 c3 46. Rxf7+ Kg8 47. Rb7 |
| ECO D31 in 1992 play it! ionescu constant defeats black's vaidya arun b in 51 moves | 1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 Nf6 5. Qc2 c6 6. Bg5 Bd6 7. Bxf6 gxf6 8. e3 Bd7 9. a3 Qa5 10. c5 Bf8 11. b4 Qc7 12. Bd3 Ke7 13. g3 Be8 14. Nh4 Rg8 15. f4 Nd7 16. Kf2 Kf7 17. Ne2 Be7 18. h3 Nf8 19. Rag1 Ng6 20. Nf3 a5 21. g4 axb4 22. gxf5 exf5 23. axb4 Bd7 24. Bxf5 Bxf5 25. Qxf5 Qc8 26. Qh5 |
| ECO D02 in 1996 play it! ionescu constant defeats black's companyo pagerol in 83 moves | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Bd6 6. Qc2 O-O 7. Bd2 Nbd7 8. Rd1 a5 9. Be2 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. Ng5 h6 13. Nge4 Bb4 14. O-O Bxc3 15. Bxc3 b4 16. Bd2 e5 17. Nc5 Qb6 18. Nxb7 Qxb7 19. dxe5 Nxe5 20. Be2 Rac8 21. f4 Ng6 22. e4 c5 23. e5 Nh4 24. Rf3 Qe4 25. Qxe4 Nxe4 26. Be1 Nxf3+ 27. gxf3 Nf6 28. exf6 gxf6 29. Bh4 c4 30. Bxf6 Rc6 31. Bd4 Rd8 32. Kf2 f6 33. f5 Kh7 34. Be3 Ra8 35. Rd7+ Kg8 36. Bxh6 a4 37. Rb7 b3 38. axb3 axb3 39. Bd2 Rd8 40. Bc3 Rd5 41. Rb4 Rdc5 42. Ke3 |
| ECO D31 in 1985 play it! ionescu constant defeats black's hawelko marek in 81 moves | 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 dxc4 9. bxc4 e5 10. Be2 Re8 11. O-O e4 12. Nd2 Nf8 13. Ndxe4 Nxe4 14. Nxe4 Bf5 15. f3 Qh4 16. g3 Bxg3 17. hxg3 Bxe4 18. gxh4 Bxc2 19. Kf2 Bg6 20. e4 Nd7 21. Bd3 c5 22. d5 f6 23. Rfe1 Ne5 24. Be2 Nf7 25. Rg1 Kf8 26. Rg2 Re7 27. Rag1 Ne5 28. h5 Bxh5 29. f4 Ng6 30. Bxh5 Nxf4 31. Bxf6 Nxh5 32. Bxe7+ Kxe7 33. Rxg7+ Nxg7 34. Rxg7+ Kd6 35. Rxh7 Rg8 36. Rh5 Rg7 37. e5+ Ke7 38. Kf3 b6 39. Kf4 Rf7+ 40. Ke4 Rg7 41. d6+ |
| ECO D31 in 1990 play it! ionescu constant defeats black's arlandi ennio in 75 moves | 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bd3 Bb7 9. O-O Nbd7 10. Qe2 c5 11. cxd5 Nxd5 12. Bg3 cxd4 13. Nxd5 Bxd5 14. exd4 Nf6 15. Ne5 Bb7 16. Rfd1 Qd5 17. f3 Rac8 18. Bc4 Qd8 19. a3 Nd5 20. Rf1 Bh4 21. f4 Bxg3 22. hxg3 Rc7 23. Rad1 Qc8 24. Bd3 Ne7 25. g4 f5 26. g5 hxg5 27. fxg5 g6 28. Rf4 Rc1 29. Bc4 Rxd1+ 30. Qxd1 Kg7 31. Rh4 Rh8 32. Rxh8 Qxh8 33. Bxe6 Qh4 34. Qd2 f4 35. d5 Bxd5 36. Bxd5 Qxg5 37. Qd4 Kh7 38. Be4 |
| ECO D21 in 1990 play it! ionescu constant defeats black's fancsy imre in 73 moves | 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 a6 6. a4 c5 7. O-O Nc6 8. Nc3 Be7 9. Qe2 cxd4 10. Rd1 e5 11. exd4 exd4 12. Nxd4 Nxd4 13. Qe5 Qd6 14. Qxd6 Bxd6 15. Rxd4 Bc5 16. Rd1 O-O 17. Bg5 Bg4 18. Rd3 Nd7 19. Bd5 a5 20. h3 Ne5 21. Rg3 Bd7 22. Ne4 Bd4 23. Bf6 g6 24. Rd1 Bxb2 25. Rd2 Bc1 26. Bxe5 Bxd2 27. Nf6+ Kg7 28. Nxd7+ f6 29. Nxf8 fxe5 30. Ne6+ Kf6 31. Nc5 Bf4 32. Rb3 Rd8 33. Ne4+ Kg7 34. Rxb7+ Kh6 35. Nf6 Kg5 36. h4+ Kf5 37. g4+ |
| ECO D11 in 1993 play it! ionescu constant defeats black's camacho in 105 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. g3 Nbd7 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 Re8 9. b3 e5 10. dxe5 Nxe5 11. Bb2 Bg4 12. cxd5 cxd5 13. Nxe5 Bxe5 14. Bxe5 Rxe5 15. Nf3 Bf5 16. Qb2 Re7 17. Nd4 Qd7 18. Rfc1 Bh3 19. Bh1 Rc8 20. Qa3 Rxc1+ 21. Rxc1 a6 22. Qc5 Re8 23. a4 Rc8 24. Qxc8+ Qxc8 25. Rxc8+ Bxc8 26. a5 Kf8 27. f3 Ke7 28. Kf2 Kd6 29. b4 g6 30. Bg2 b6 31. axb6 Nd7 32. Bf1 Nxb6 33. e3 Nc4 34. Bxc4 dxc4 35. e4 a5 36. bxa5 Kc5 37. Ke3 Kb4 38. Kd2 f6 39. Nc6+ Kc5 40. Ne7 Be6 41. Kc3 Kb5 42. Nd5 Kxa5 43. Nxf6 h6 44. Nd5 Bxd5 45. exd5 Kb5 46. d6 Kc6 47. Kxc4 Kxd6 48. Kd4 Ke6 49. Ke4 Kf6 50. f4 h5 51. h3 Ke6 52. g4 h4 53. g5 |
| ECO D31 in 1990 play it! ionescu constant defeats black's weyrich morten in 65 moves | 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Nf3 f5 6. Be2 Nd7 7. Qc2 Qf6 8. Bd2 Ne7 9. O-O-O a6 10. Ne1 dxc4 11. Bxc4 b5 12. Be2 Bb7 13. e4 Bc7 14. e5 Qf8 15. Bf3 Bb6 16. Ne2 a5 17. Nd3 Qf7 18. Kb1 O-O 19. Rc1 b4 20. Be3 Ba6 21. h4 Rfd8 22. Nef4 Rac8 23. Bh5 g6 24. Bf3 Bb5 25. Qb3 Nd5 26. h5 a4 27. hxg6 hxg6 28. Qd1 Nxf4 29. Nxf4 g5 30. Bh5 Qh7 31. Bg6 Qg7 32. Rh7 Nxe5 33. Qh5 |
| ECO D11 in 1992 play it! ionescu constant defeats black's kuczynski robert in 77 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O O-O 9. e3 Nbd7 10. Qe2 Qa5 11. Nbd2 h6 12. e4 Bh7 13. b3 c5 14. Bb2 Rfd8 15. Rfd1 cxd4 16. Nxd4 Rac8 17. Nc4 Qa6 18. Qe1 e5 19. Nf5 Bxf5 20. exf5 e4 21. Bxe4 b5 22. Na5 Nxe4 23. Qxe4 Bf6 24. Bxf6 Nxf6 25. Rxd8+ Rxd8 26. Qb4 Qc8 27. Qxb5 Qc3 28. Rf1 Qc2 29. Nc6 Rd2 30. a4 Kh7 31. Qc4 Qxf5 32. Qxf7 Qe4 33. Qc4 Qf3 34. b4 Nd5 35. Ne5 Qf5 36. Ng4 Qf3 37. h3 h5 38. Nh2 Qf5 39. b5 |
| ECO D07 in 1994 play it! ionescu constant defeats black's petre nad titus in 33 moves | 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 exd4 8. cxd4 Nf6 9. Nf3 Bg4 10. Be2 Ne4 11. O-O Nxd2 12. Qxd2 O-O 13. Rfc1 Qd6 14. Rc5 Rfe8 15. Rac1 Rac8 16. Qc2 Re7 17. Ng5 |
| ECO D07 in 1993 play it! ionescu constant defeats black's ferron garcia ca in 107 moves | 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 exd4 8. cxd4 Nf6 9. Nf3 Ne4 10. Be2 Nxd2 11. Qxd2 O-O 12. O-O Bf5 13. Rfc1 Rad8 14. Qb2 Bc8 15. Rc5 Qd6 16. Rac1 Ne7 17. Rxc7 Nc6 18. R7xc6 bxc6 19. Ne5 Be6 20. Nxc6 Rc8 21. Bf3 Bg4 22. d5 Bxf3 23. gxf3 Rc7 24. Qd4 Rd8 25. Kh1 f6 26. Rb1 Re8 27. Kg2 Rd7 28. Rb5 Rc8 29. Nxa7 Ra8 30. Nc6 Rxa2 31. Rb8+ Kf7 32. Qe4 Rxf2+ 33. Kxf2 Qxh2+ 34. Kf1 Qh1+ 35. Ke2 Qg2+ 36. Kd1 Qf1+ 37. Kc2 Qe2+ 38. Kc1 Qe1+ 39. Kb2 Qd2+ 40. Kb3 Qxd5+ 41. Qxd5+ Rxd5 42. Rb7+ Kf8 43. Kc4 Rg5 44. Nd4 Rg3 45. Kd5 h5 46. Ke6 Kg8 47. Nf5 Rg1 48. e4 Kh8 49. Kf7 Kh7 50. Kf8 Rg2 51. Rxg7+ Rxg7 52. Nxg7 h4 53. Nf5 h3 54. Kf7 |
| ECO A40 in 1996 play it! ionescu constant defeats black's kiss attila in 91 moves | 1. d4 e6 2. c4 b6 3. a3 Bb7 4. Nc3 f5 5. Nf3 Nf6 6. d5 Na6 7. b4 exd5 8. cxd5 c5 9. dxc6 dxc6 10. Bf4 Be7 11. e3 Nc7 12. Qxd8+ Bxd8 13. Bc4 Ncd5 14. Nxd5 Nxd5 15. Be5 Kf7 16. Nd4 Re8 17. f4 Bf6 18. Bxd5+ cxd5 19. Bxf6 Kxf6 20. Kd2 Rec8 21. Rhc1 a6 22. Nf3 g6 23. g3 Ke7 24. Ne5 Kd6 25. Kd3 Bc6 26. Kd4 Ba4 27. h4 Ke6 28. Kd3 Rab8 29. Kd2 Ra8 30. Nf3 Kd6 31. Rxc8 Rxc8 32. Rc1 Rc4 33. Rc3 Bb5 34. Ng5 h6 35. Nf7+ Ke6 36. Ne5 Re4 37. Nxg6 d4 38. exd4 Re2+ 39. Kd1 Kd5 40. a4 Re6 41. axb5 Rxg6 42. bxa6 b5 43. Ra3 Rg8 44. a7 Ra8 45. Kc2 Kc4 46. d5 |
| ECO A40 in 1994 play it! ionescu constant defeats black's ayas fernandez a in 51 moves | 1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. e4 O-O 9. Bd3 Na6 10. O-O Nc7 11. Re1 a6 12. a4 Rb8 13. Rb1 b5 14. axb5 axb5 15. b4 cxb4 16. Na2 Na6 17. Nxb4 Nxb4 18. Rxb4 Bd7 19. Bb2 Ne8 20. Bxg7 Kxg7 21. Qa1+ Kg8 22. Rc1 Ra8 23. Qd4 Nc7 24. Rb3 Qb8 25. e5 Ra4 26. Qxa4 |
| ECO A40 in 1986 play it! ionescu constant defeats black's rechi perez f in 61 moves | 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 Bxc3+ 6. bxc3 g5 7. Bg3 d6 8. e3 Qe7 9. Bd3 Nbd7 10. h4 g4 11. h5 e5 12. Ne2 e4 13. Bb1 c6 14. Qa4 a6 15. Qa5 O-O 16. Bf4 Kg7 17. Ng3 Nb8 18. Nf5+ Bxf5 19. Qxf5 Re8 20. Bc2 Nbd7 21. Bd1 Qe6 22. Qxe6 Rxe6 23. Rh4 Kh7 24. a4 d5 25. c5 b5 26. cxb6 Nxb6 27. Rb1 Nc8 28. Bxg4 Nxg4 29. Rxg4 Nd6 30. Be5 Nf5 31. Rb7 |
| ECO A40 in 1992 play it! ionescu constant defeats black's lupu mirceasergi in 51 moves | 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4 7. Nbd2 Nxd2 8. Bxd2 d6 9. Qc2 Bf6 10. e4 fxe4 11. Qxe4 Nc6 12. Bc3 d5 13. Qe2 Ne7 14. Bb4 a5 15. Bxe7 Qxe7 16. Rfe1 Qb4 17. Rac1 dxc4 18. Rxc4 Qd6 19. Ne5 Ra6 20. Qc2 c6 21. h4 b5 22. Rc5 Qxd4 23. Rxc6 Bb7 24. Rxa6 Bxg2 25. Kxg2 Qxb2 26. Qxb2 |
| ECO A81 in 1994 play it! ionescu constant defeats black's lutu manuel cata in 63 moves | 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. Nf4 d6 6. d5 Na6 7. h4 O-O 8. c4 Qe8 9. Nc3 c6 10. Rb1 Ng4 11. Qd2 e5 12. dxe6 Bxe6 13. b3 Rf7 14. Bb2 Rd8 15. O-O Bh6 16. Rbd1 Nc7 17. e3 Rfd7 18. e4 Rf7 19. exf5 Rxf5 20. Ne4 Qf8 21. Qc3 Re5 22. Nd3 Bg7 23. Nxe5 Nxe5 24. f4 Nf7 25. Qxg7+ Qxg7 26. Bxg7 Kxg7 27. Rd2 h6 28. Kf2 d5 29. Nc5 Nd6 30. Nxe6+ Nxe6 31. cxd5 cxd5 32. Rxd5 |
| ECO A81 in 1990 play it! ionescu constant defeats black's jones andrew wls in 55 moves | 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. Nf4 O-O 6. h4 Qe8 7. c3 c6 8. h5 Na6 9. hxg6 hxg6 10. Nd2 g5 11. Nd3 d6 12. Nf3 g4 13. Ng5 Nc7 14. Qb3+ e6 15. Bf4 Qd8 16. e4 a5 17. a4 fxe4 18. Nxe4 Nxe4 19. Bxe4 Nd5 20. O-O-O Kf7 21. Qc2 Nf6 22. Bg6+ Ke7 23. Bg5 Rh8 24. Nf4 Bd7 25. Qe2 Qg8 26. Bf5 Rxh1 27. Rxh1 Re8 28. Bh7 |
| ECO A81 in 1997 play it! ionescu constant defeats black's bellin robert in 72 moves | 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nf3 d6 6. Nc3 O-O 7. Qc2 a5 8. O-O Nc6 9. b3 e5 10. dxe5 dxe5 11. Rd1 Qe8 12. Nd5 Bc5 13. Be3 Bxe3 14. Nxe3 Nb4 15. Qc3 f4 16. gxf4 exf4 17. Nd5 Nbxd5 18. cxd5 Qg6 19. Rd4 Ne8 20. Kh1 Ra6 21. Qd2 Raf6 22. Rc1 Nd6 23. a4 Qh5 24. Rxc7 g5 25. Qc3 Bg4 26. Kg1 Bxf3 27. exf3 Rg6 28. h3 Re8 29. Bf1 Qh6 30. Qxa5 Qf8 31. Rd1 h5 32. Bd3 Rg7 33. Qc3 Ree7 34. Rxe7 Qxe7 35. Re1 Qd8 36. Re6 g4 |
| ECO A81 in 1997 play it! ionescu constant defeats black's malaniuk vladimi in 37 moves | 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. c3 Nc6 6. Nd2 e5 7. d5 Ne7 8. d6 Nc6 9. e4 O-O 10. exf5 gxf5 11. Nc4 h6 12. O-O Ne8 13. Bd5+ Kh7 14. Qh5 Qf6 15. Ng5+ Kh8 16. Nf7+ Kh7 17. f4 e4 18. Ng5+ Kh8 19. Ne5 |
| ECO A81 in 1993 play it! ionescu constant defeats black's solonar stephan in 107 moves | 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 d6 5. d5 Nbd7 6. Nd2 Bg7 7. Nb3 Nb6 8. Nf4 e5 9. dxe6 Ne4 10. h4 Qf6 11. Qd3 Qe5 12. c3 Bxe6 13. Nxe6 Qxe6 14. Nd4 Qe7 15. g4 Nc5 16. Qf3 fxg4 17. Qxg4 Nd3+ 18. Kf1 Ne5 19. Qe6 c6 20. Bg5 Qxe6 21. Nxe6 Kf7 22. Nxg7 Kxg7 23. Rd1 h6 24. Bc1 d5 25. b3 Rhf8 26. Bh3 Rae8 27. Rg1 Kh7 28. Rg3 Rd8 29. Ba3 Rfe8 30. Rd4 Nc8 31. h5 g5 32. f4 gxf4 33. Rxf4 Nd6 34. Ke1 Rg8 35. Rxg8 Kxg8 36. Rf6 Ndf7 37. Be6 Kg7 38. Rf1 Re8 39. Bf5 Ng5 40. Kd2 Ne4+ 41. Bxe4 dxe4 42. c4 e3+ 43. Kc2 Kg8 44. Bb2 Re7 45. Rf6 Kh7 46. Rf8 b6 47. b4 Nf7 48. Bf6 Rd7 49. Kc3 a5 50. b5 c5 51. a4 Rd6 52. Rxf7+ Kg8 53. Rg7+ Kh8 54. Be5 |